president obama is stepping up public pressure on republicans to got a fiscal cliff deal done. he'll appear on "meet the press" sunday as senate convenes to work on a possible deal with a possible vote monday. >>> an airliner off the runway at airport in russia, there were eight crew members aboard and no passengers. there was light snow at the time of the crash. >>> more news later. back to "lockup." >>> due to mature subject matter, viewer discretion is advised. >>> during our stay at the penitentiary of new mexico, our producer conducted an interview with a serial rapist, who would soon be completing his prison term and returning to society. the inmate agreed to the interview on the condition of anonymity. what he had to say is disturbing, but provides a rare insight into the mind of a serial rapist. >> after performing the rapes, the physical rapes, i would literally scare these women to death. what i would do is go into a victim's purse, i would find address books, i would take their driver's license out of their purse. and i would say, okay, now i know where you live. i k